20158580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3371}}^1$

素因数の和:3416

約数の個数: 48

約数和(自身を含む): 47585664

約数和(自身を除く): 27427084

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3371, 5980, 6742, 13484, 16855, 33710, 43823, 67420, 77533, 87646, 155066, 175292, 219115, 310132, 387665, 438230, 775330, 876460, 1007929, 1550660, 2015858, 4031716, 5039645, 10079290, 20158580]

約数ペア:

[(1, 20158580), (2, 10079290), (4, 5039645), (5, 4031716), (10, 2015858), (13, 1550660), (20, 1007929), (23, 876460), (26, 775330), (46, 438230), (52, 387665), (65, 310132), (92, 219115), (115, 175292), (130, 155066), (230, 87646), (260, 77533), (299, 67420), (460, 43823), (598, 33710), (1196, 16855), (1495, 13484), (2990, 6742), (3371, 5980)]